61.0k views
18 votes
Which of these functions is not a linear function? Why?

f(x)=x-x
f(x)=3x
f(x)=x3
f(x)=23x-2
how am i supposed to know-

User Kinexus
by
6.3k points

1 Answer

14 votes

Answer:

f(x)=x3

Explanation:

If you meant f(x)=x3 by f(x)=x^3 then that would be a cubic equation and not linear?

User Yaba
by
6.4k points
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